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-rw-r--r--drivers/infiniband/hw/hfi1/chip.c4
-rw-r--r--drivers/infiniband/hw/hfi1/chip.h2
2 files changed, 3 insertions, 3 deletions
diff --git a/drivers/infiniband/hw/hfi1/chip.c b/drivers/infiniband/hw/hfi1/chip.c
index 26c5ee5c8a2c..88394cd5f8f2 100644
--- a/drivers/infiniband/hw/hfi1/chip.c
+++ b/drivers/infiniband/hw/hfi1/chip.c
@@ -13385,9 +13385,9 @@ static void init_rbufs(struct hfi1_devdata *dd)
/*
* Give up after 1ms - maximum wait time.
*
- * RBuf size is 148KiB. Slowest possible is PCIe Gen1 x1 at
+ * RBuf size is 136KiB. Slowest possible is PCIe Gen1 x1 at
* 250MB/s bandwidth. Lower rate to 66% for overhead to get:
- * 148 KB / (66% * 250MB/s) = 920us
+ * 136 KB / (66% * 250MB/s) = 844us
*/
if (count++ > 500) {
dd_dev_err(dd,
diff --git a/drivers/infiniband/hw/hfi1/chip.h b/drivers/infiniband/hw/hfi1/chip.h
index 92f2485cfe56..92345259a8f4 100644
--- a/drivers/infiniband/hw/hfi1/chip.h
+++ b/drivers/infiniband/hw/hfi1/chip.h
@@ -82,7 +82,7 @@
*/
#define CM_VAU 3
/* HFI link credit count, AKA receive buffer depth (RBUF_DEPTH) */
-#define CM_GLOBAL_CREDITS 0x940
+#define CM_GLOBAL_CREDITS 0x880
/* Number of PKey entries in the HW */
#define MAX_PKEY_VALUES 16